CN107847120A - Video laryngoscope - Google Patents

Video laryngoscope Download PDF

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Publication number
CN107847120A
CN107847120A CN201680042618.1A CN201680042618A CN107847120A CN 107847120 A CN107847120 A CN 107847120A CN 201680042618 A CN201680042618 A CN 201680042618A CN 107847120 A CN107847120 A CN 107847120A
Authority
CN
China
Prior art keywords
laryngoscope
indicator screen
video camera
main body
screen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201680042618.1A
Other languages
Chinese (zh)
Other versions
CN107847120B (en
Inventor
菲利普·威廉·狄克逊
马克·理查德·布朗
安德鲁·尼尔·米勒
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Intersurgical AG
Original Assignee
Intersurgical AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of CN107847120A publication Critical patent/CN107847120A/en
Application granted granted Critical
Publication of CN107847120B publication Critical patent/CN107847120B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/267—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the respiratory tract, e.g. laryngoscopes, bronchoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00004—Operational features of endoscopes characterised by electronic signal processing
    • A61B1/00009—Operational features of endoscopes characterised by electronic signal processing of image signals during a use of endoscope
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00043—Operational features of endoscopes provided with output arrangements
    • A61B1/00045—Display arrangement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00043—Operational features of endoscopes provided with output arrangements
    • A61B1/00045—Display arrangement
    • A61B1/00052—Display arrangement positioned at proximal end of the endoscope body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00066—Proximal part of endoscope body, e.g. handles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00103—Constructional details of the endoscope body designed for single use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A61B1/042—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by a proximal camera, e.g. a CCD camera
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/04—Constructional details of apparatus
    • A61B2560/0406—Constructional details of apparatus specially shaped apparatus housings
    • A61B2560/0425—Ergonomically shaped housings

Abstract

Laryngoscope (10), with the main body (20 including handle, 42) laryngoscope blade (22) and the indicator screen shell (18) from the extension of main body (20,42) near-end, extended from the distal end of main body (20,42).Laryngoscope (10) has at least one overall case member (12), at least a portion of each in its restriction main body (20,42), laryngoscope blade (22) and indicator screen shell (18).

Description

Video laryngoscope
The present invention relates to laryngoscope, and especially there is the laryngoscope of camera component.
In general, laryngoscope have handle and it is replaceable spy on piece, it can be with the scope of certain shape and size To provide to adapt to a range of patient.In history, handle and to spy on piece reusable so that these parts can be It is sterilized among continuous use.But have on Medical Devices using disposable products to reduce the main trend of infection risk.It is existing There is technology it is known that providing the laryngoscope being intended for single use, but in order to provide feasible, lasting solution to Medical Devices or mechanism Scheme, need tighter control manufacturing cost towards the conversion of disposable laryngoscope.Therefore, it is simple and pass through in order to adapt to one Help effective product design, some functional characteristics of disposable products can suffer damage.
For example, traditional laryngoscope is used in the endotracheal intubation of patient.Common intubation procedure is needed tracheal strips Conduit enters tracheae through the mouth of patient.Such as when needing to carry out mechanical ventilation to patient, it may be necessary to oral trachea cannula Method.Using laryngoscope as vision, auxiliary is common way in catheterization procedure.However, traditional laryngoscope needs operator with suffering from There is direct sight between person's tracheae, this is likely difficult to realize during use.In addition, in use patient glottis and/or Epiglottis may interfere with the sight of laryngoscope operator.
It is known in the art to use the laryngoscope with Optical devices, to allow operator to be obtained during trachea cannula clearly The visual field.It is known that it is sent to by the piece of spying on of camera combination to laryngoscope, and by the image from video camera The display that can be checked during catheterization procedure.Such display may be located remotely from or be attached to laryngoscope.
When display is attached to laryngoscope, display is generally larger, and stretches out from laryngoscope body, makes laryngoscope heavy, And further the direct sight of operator is counteracted, what this should need.In addition, such display is typically costliness , and therefore it is that typically in the part that can be sterilized and reuse after each catheterization procedure.This can cause medical treatment to set The risk increase of interior infection is applied, while the system of apparatus would generally be increased the demand of the removable installation between display and laryngoscope Cause this.
Devised improved laryngoscope now, its overcome or substantially mitigated it is associated with the prior art foregoing and/ Or other shortcomings.
According to the first aspect of the invention, there is provided laryngoscope, including：Main body, the main body include being used to receive in use The handle of the palm of the hand of user, the laryngoscope blade extended from the distal end of main body, and the display of the near-end extension from main body Screen shell, indicator screen away indicator screen part, and handle portion is arranged for connecing in use At least thumb and forefinger of the hand of user are received, handle portion is located among indicator screen part and handle.
According to the first aspect of the invention, the laryngoscope mainly advantageously provides the indicator screen from the near-end extension of main body Shell, and for receiving at least thumb of hand and the handle portion of forefinger of user, the handle portion is located at indicator screen portion Among part and handle.Especially, the present invention can provide compact, cheap apparatus, and it can be suitable as disposable apparatus, And relative to the prior art apparatus for being intended for compact, cheap instrument, it provides a user the grasping of balance, there is provided Improved navigability.
Handle portion is limited by the part of main body and/or the part of indicator screen shell of laryngoscope.Handle portion can be with It is included in the outer surface for the laryngoscope that can be circumferentially extended between indicator screen part and handle around laryngoscope.Handle portion can be gradually Contracting so that width of the handle portion between indicator screen part and handle reduces.Therefore handle portion can provide use In the surface of the ergonomic shape for the grasping for receiving user.
The thumb receiving surface of handle portion can be formed and/or be sized to receive the thumb of user in use At least a portion, for example, the thumb receiving surface of handle portion can by thumb at least a portion contact.By handle portion At least a portion of thumb for receiving of thumb receiving surface can be thumb finger belly, such as the distal end finger belly of thumb.
Controlled for enhancing, handle and handle portion should be arranged such that thumb is arranged essentially parallel to laryngoscope longitudinal axis and prolonged Stretch, the longitudinal axis such as extended between the near-end of laryngoscope body and distal end, be arranged essentially parallel to the main body for substantially dividing laryngoscope equally With the mid-plane for spying on piece.Handle and handle portion may be disposed so that the thumb of the distal side finger belly contact handle portion of thumb Refer to receiving surface, and substantially orthogonally oriented relative to the bearing of trend for spying on piece.
Thumb receiving surface can be the surface for facing user in use, and therefore can be towards with spying on prolonging for piece Stretch direction in opposite direction.Thumb receiving surface can be substantially flat, or at least partly bending, such as at one or It is recessed on more axles.Thumb receiving surface can have at least equal to and width preferably than the thumb of user it is wider Width, it is such as wider than the width of the thumb of user by least 50% or 100%.
The thumb receiving surface of handle portion can include being used for the positioning engaged by least a portion of the thumb of user Construction.Locating structure may be adapted to prevent the thumb of user to be moved along the longitudinal direction of thumb receiving surface at least one direction It is dynamic.Locating structure may be adapted to thumb the vertically moving towards indicator screen part for preventing user.Locating structure can wrap Include at least a portion of the thumb for contacting user in use or the abutment surface of the end of thumb.Locating structure can example Such as take protuberance protuberance or carinate or ribbed form.
The width that abutment surface has is substantially equal to or the preferably greater than width of the end of the thumb of user, and There can be the shape for the transverse shifting for also preventing thumb.Abutment surface can have at least in part relative to the end of thumb The perimeter of the hand to extend back towards user.For example, abutment surface for example can be bent along its length in the form of arc.
Locating structure can at least partially define at least one of outer cover that the thumb of user can be accommodated in use. Locating structure can be integrally formed with handle portion.
The finger receiving surface of handle portion can be formed and/or be sized to receive user at least in use At least a portion of one finger.Finger receiving surface can be formed and/or be sized to receive at most two of user At least a portion of finger, such as forefinger and middle finger, or preferably only one finger, such as forefinger.The remainder of finger On the handle for the laryngoscope that (except thumb) can be located in use.
Finger receiving surface may include in use back to the surface of user, and therefore can include prolonging towards spying on piece Stretch the surface of direction substantially the same direction.This surface can be towards the direction opposite with above-mentioned thumb receiving surface.This table Face can be by the part corresponding to middle phalanxes of the middle section contacts of finger, such as finger.In such configuration, finger pair The side surface of handle portion should can be contacted in the part of proximal phalanx and distal phalanx, the side surface of handle portion can be basic The main body of laryngoscope and the mid-plane of piece is spied on parallel to dividing equally substantially.
Finger receiving surface can include being used for the locating structure engaged by least a portion of the finger of user.Position structure The movement that may be adapted to prevent the finger of user is made, such as is moved towards indicator screen part and/or towards handle.Position structure Make and may be adapted to prevent the finger of user towards the movement of indicator screen part and handle.Locating structure can include being used for At least a portion of the finger of user or the abutment surface of the one or both sides of finger are contacted in use.Locating structure can be such as Take the form of protuberance protuberance or carinate or ribbed etc..
Finger receiving surface can be preferably defined by locating structure at least one side on both sides.Finger receives Surface can or depression recessed relative to locating structure.Therefore finger receiving surface can include being used to receive at least the one of user At least one of recess or depression of individual finger.Recess or depression can at least one side, preferably by being formed on both sides The edge or protuberance protuberance of locating structure limit.Edge or protuberance protuberance can relative to divide equally substantially laryngoscope main body and peep Mid-plane depending on piece extends laterally across handle portion.Recess or depression and edge or protuberance protuberance can thus at least Partly limit at least one of outer cover of at least one finger for receiving user.
Handle portion is applicable to be easy to user to grasp laryngoscope.Handle portion be applicable to increase user hand and laryngoscope it Between CONTACT WITH FRICTION.
Handle portion can be formed by the same material of the remainder and/or indicator screen shell of the main body with laryngoscope. Therefore, laryngoscope may include the part for limiting handle portion, main body and indicator screen shell.Alternatively, handle portion can be with The different material of remainder and/or indicator screen shell including the main body from laryngoscope.In this case, laryngoscope can be with Including limiting handle portion, main body and the part of indicator screen shell, it can be single composite construction, and can be with shape As the part of single moulding process.Moulding process for forming composite component can be double injection molding technique or bag Coating-shaping (overmoulding process).
Handle portion may include relative to the main body of laryngoscope remainder and/or indicator screen shell flexible relative or Submissive material.Handle portion may include the main body than laryngoscope remainder and/or indicator screen shell have it is higher The material of coefficient of friction.Handle portion may include coarse or veining surface, and it can be for example with being arranged on handle portion On multiple protuberance protuberances and/or recess form.This it is coarse or veining surface can by the main body with laryngoscope its The formation of remaining part point and/or the identical material of indicator screen shell, or can be by the remainder of the main body with laryngoscope and/or aobvious Show that the different material of device screen shell is formed.Handle portion opposite handle and/or indicator screen part can be it is moveable, And diverse location can be fixed on so that handle portion can be positioned at the phase among indicator screen part and handle by user Hope position.
Handle portion can be elongated form, and can have substantial cylindrical or the shape of conical butt.Hand Handle can have the profile of at least partly bending, and be configured to receive the hand of user in use with preferably conforming to ergonomics Palm and one or more related fingers.Handle can essentially be substantially hollow.
Indicator screen shell can be at least with laryngoscope main body be integrally formed.Indicator screen shell and/or display Screen unit is that can not be removed from laryngoscope body in the case of can not for example dismantling or disconnecting the main body of laryngoscope.Laryngoscope may include Limit at least one case member of a part for the main body of laryngoscope and a part for the indicator screen shell of laryngoscope.Relative tool There is the laryngoscope of removable indicator screen component, this configuration reduces manufacturing cost.
Laryngoscope blade can for example as double injection molding technique a part, be overmolded onto in main body.Spy on piece It can be fixedly attached in main body.It can be attached to for example, spying on piece by fastener such as screw in main body.Alternatively, peep It can also be clamped depending on piece by multiple case members so that case member, which plays a part of that piece will be spied on, to be held in place.Spying on piece can wrap Include at least one stabilization zone.Stabilization zone may include metal material.Spying on piece can be formed by metal or plastics or its combination.
A kind of construction is devised, wherein laryngoscope can include at least one overall case member, overall shell Part defines spy on piece the one of a part for the indicator screen shell of laryngoscope, a part for the main body of laryngoscope and laryngoscope Part.Compared with the prior art, such a construction provides it is notable the advantages of, there is provided manufacture cheap and sane assembling, and It can be suitable as disposable apparatus.
Therefore, according to the second aspect of the invention, there is provided laryngoscope, including main body, the laryngoscope from body distal end extension are peeped Indicator screen shell depending on piece and from proximal extension, wherein, laryngoscope includes at least one overall case member, whole The case member of body limits at least a portion of each in main body, laryngoscope blade and indicator screen shell.
Laryngoscope according to the second aspect of the invention is mainly favourable, because laryngoscope includes at least one overall shell Part, which defines at least a portion of each in main body, laryngoscope blade and indicator screen shell.Relatively existing skill Art, such an arrangement provides it is notable the advantages of, there is provided sane assembling, reduced using number of components, its manufacture it is cheap, and its Disposable apparatus can be suitable as.Disposable laryngoscope, that is, the laryngoscope that can be thrown away after first use, can be eliminated with repeatedly making With the related pollution risk of apparatus.In addition, overall construction can reduce the weak spot related to constructing (such as positioned at separate part Between join domain in weak spot), and, when together with high-strength material (such as reinforced plastics or glass-filled PPS) During using forming main body, laryngoscope blade and indicator screen shell, especially sane construction can be provided.
Laryngoscope may include two or more overall case members, and wherein at least one at least partially defines display Screen shell, laryngoscope main body and laryngoscope blade in each.Laryngoscope may include any number of overall case member, Any number of overall case member can at least partially define indicator screen shell, the main body of laryngoscope and laryngoscope and spy on Each in piece.Multiple case members can be formed and be sized to have corresponding joint construction so that housing department Part can be combined engagement.Case member can be secured together, such as the phase by the case member suitable for being mutually tightened It should construct, such as snap-fit arrangement, or by single secure component, such as screw.Case member can be separable each other, but It is that in a preferred embodiment, case member is to be permanently fixed together.
Case member can be combined to encapsulate the indicator screen part of indicator screen shell.Case member can limit Fixed opening, the indicator screen by the opening indicator screen part is visible.Opening can by single shell part (such as The case member of back) inner aperture limits, or can be limited by the aperture portion of two or more case members.Indicator screen Part can be disposed with indicator screen, and the indicator screen at least partially or fully extends through to be limited by case member Opening.
Laryngoscope may include at least two overall case members, the first case member, its limit main body, laryngoscope blade and At least a portion of each in indicator screen shell, and second housing part, it limits main body and indicator screen shell At least a portion.In presently preferred embodiment, second housing part also limits at least a portion of laryngoscope blade, So that laryngoscope blade is limited by least the first case member and second housing part.
Relative to the mid-plane for dividing main body and laryngoscope blade equally, laryngoscope can include at least two side case members, It at least partially defines every side of the main body of laryngoscope and indicator screen shell.Laryngoscope may also comprise the case member of back, It limits opening, and the indicator screen by the opening indicator screen part is visible.For example, the case member of back can Around the exposed surface of indicator screen part.In presently preferred embodiment, laryngoscope include the first side case member and Second side case member, and the case member of the back of insertion.These case members can limit indicator screen shell Outside and/or laryngoscope main body only part (non-display screen unit).
The case member of back can partly or substantially limit the thumb receiving portion of above-mentioned handle portion, and It may include the locating structure of correlation.At least one finger receiving portion for limiting above-mentioned handle portion in the case member of side, And it may also comprise one or more locating structures of correlation.
One or more case members can be molded of plastic material, and can be formed by injection moulding.Case member can fit The inner chamber for accommodating electronic unit can be at least partially defined for outer-shell electron part, such as case member.Case member In at least one inner surface can include be used for keep electronic unit interior intracavitary holding construct.
One or more case members can be shaped as limit be used for receive switch aperture, such as can press by Button, the activation for electronic unit.The aperture can be formed in single shell part, or two or more case members Corresponding aperture portion can be included, these aperture portions can be combined to limit the aperture for being used for receiving switch.
Laryngoscope may include video camera, its transmittable picture signal to indicator screen part.Video camera is applicable to catch Rest image and/or video sequence image.Therefore video camera can be video camera.Video camera can be formed and be sized to be connect It is received in laryngoscope blade.
Video camera is preferably accommodated in the interior of laryngoscope blade, is acted as by the opening in laryngoscope blade With.For example, the camera lens of video camera can be accommodated in the aperture of laryngoscope blade.Video camera can be located adjacent to laryngoscope blade end In the region at end.Video camera can be located on the inner surface of laryngoscope blade.Laryngoscope blade may include camera housing part, its Can be along laryngoscope blade Longitudinal extending.Camera housing part can be substantially hollow so that camera housing part With the hollow internal UNICOM of laryngoscope.Camera housing part can have the profile of bending, to meet the laryngeal inlet of patient, and can To limit a part for the skirt of endotracheal tube.
Laryngoscope blade may include to spy on piece part and camera housing part, and it is arranged to form L-shaped skirt, such as For endotracheal tube.Laryngoscope blade can be limited by least the first case member and second housing part.Spying on piece part can Substantially limited by the first case member, and camera housing part can be substantially by the first case member and second housing portion Part limits.For example, the first case member and second housing part can be cooperated to limit camera housing part, such as include being used to hold Receive the interior chamber of video camera.
Laryngoscope blade can stretch out from laryngoscope body so that laryngoscope blade is substantially normal to main body extension.It is main Transition between body and laryngoscope blade can be bending, and therefore can prevent at least in part during use to patient The damage of laryngeal inlet.Transition between main body and laryngoscope blade can be smooth, such as to extend through at least 45 °, At least 60 °, such as the form of about 90 ° of arc.Laryngoscope blade is bent preferably along its length direction, in order to make Laryngoscope blade is inserted into the laryngeal inlet of patient with middle.
Laryngoscope blade can be bent along its length direction so that the distal portions of laryngoscope blade are curved towards main body It is bent.Laryngoscope blade may include the free end with end.The end of free end can have circular profile.
Indicator screen part can have indicator screen, its orientation that can be matched with the requirement with user, Pixel Dimensions and/or color function.Indicator screen in these aspects one or more can be adjustable, or Person, in presently preferred embodiment, indicator screen is nonadjustable and therefore has fixed construction.Current It is preferably carried out in mode, indicator screen has horizontal orientation so that its main shaft substantially with dividing laryngoscope equally substantially Main body and the mid-plane for spying on piece are orthogonal.Between indicator screen has 5cm to 15cm, or the width between 7cm to 13cm. Between indicator screen has 3cm to 13cm, or the height between 5cm to 11cm.Indicator screen can be gray scale.
Indicator screen part can include LCD display screen, or may include any other type of suitable display Device screen.Indicator screen can be flexible.Indicator screen can have touch screen functionality.Indicator screen can be for example by wired Connection, or be connected by circuit board with video camera.Indicator screen and video camera can be arranged on flexible PCB, and it can disappear Except the needs of connector expensive between these parts.Indicator screen can be connected remotely to video camera by wireless connection, Including but not limited to dedicated radio link, such as 2.4GHz dedicated radio links.
Laryngoscope can include being used for the electronic memory for storing the image by video camera capture.Memory can be any appropriate Electronic memory, such as in the form of non-removable chip or in the form of removable device, for example, storage card (such as SD card, Miniature SD card etc.) form.Electronic memory can be nonvolatile memory.In presently preferred embodiment, electronics Memory is flash memory.
Electronic memory can be pre- installed appropriately in laryngoscope, or can be inserted by user.Electronic register can remove from laryngoscope. Electronic memory can include being used for the label for identifying patient., on the surface can be with for example, label can take the form on surface Patient's designator of such as name or number is write with ink.Label be able to can be caught by user, to be pulled in user Electronic memory is taken out from laryngoscope during label.Label can be outstanding from laryngoscope, so as to allow user to catch mark Label.Label can be flexible.
Laryngoscope may include microcontroller.Microcontroller can be used for initialization video camera and/or indicator screen part.Excellent Select in embodiment, microcontroller can be only used for initializing video camera and indicator screen part, and can be configured as Any data transmitted between video camera and indicator screen part are not handled in use.Microcontroller it is this limited Function reduces the requirement to microcontroller, therefore can use than those conventional use of less expensive micro-controls in the prior art Device processed.The required less expensive microcontroller of the present invention can be easy to the manufacture for the disposable laryngoscope being intended for single use.Microcontroller can With the transmission range smaller (e.g., less than or equal to 300mm) that is only used for initializing between video camera and indicator screen part Indicator screen part.
Therefore, according to the third aspect of the invention we, there is provided laryngoscope, the laryngoscope include indicator screen part, for inciting somebody to action Image transmitting to indicator screen part video camera and be configured as initializing indicator screen part and/or video camera Microcontroller, the wherein microcontroller is configured as not handling and passing between video camera and indicator screen part in use Any data sent.
According to the third aspect of the invention we, mainly advantageously, microcontroller is configured as initializing in use laryngoscope Indicator screen part and/or video camera, without handling any data transmitted between video camera and indicator screen part. This enables indicator screen part and video camera to cooperate, and any place is carried out to view data without microcontroller Reason.The required less expensive microcontroller of the present invention can be easy to the manufacture of laryngoscope be intended for single use, disposable.
The initialization of indicator screen can include work(of the microcontroller to indicator screen offer on indicator screen Rate control is set, by the form of the input signal received from video camera, the form of view data, and/or microcontroller and display The information of interface shape between device screen unit.On the input signal and/or the shape of view data that will be received from video camera The information of formula can include on orientation, size, color, pixel arrangement, image rectification (for example, Gamma correction) and overview image The information of data format.
The initialization of video camera can include microcontroller and be set to video camera offer on the Power Control for video camera Put, the camera lens for video camera is set, there is provided to the output signal type of indicator screen, the view data of video camera and any The form of image procossing, the information of interface shape between microcontroller and video camera.On being supplied to the output of video camera to believe Number and/or the information of form of view data may include on orientation, size, color, pixel arrangement, image rectification and overall The information of image data format.
Indicator screen and video camera can for example be adjusted to be supplied by identical input voltage during initialization, from And allow to use less adjuster.
In presently preferred embodiment, by video camera be supplied to the view data of indicator screen have 320 × Specification between 240 and 640 × 480, and data format is RGB, such as RGB565.
It will be appreciated that in appropriate circumstances, the preferred feature of each aspect of the invention can be applied equally In other aspects of the present invention.
The enforceable embodiment of the present invention is described in further detail with reference to the accompanying drawings, wherein：
Fig. 1 is the exploded front view of video laryngoscope (video laryngoscope) according to a first aspect of the present invention；
Fig. 2 is the decomposing rearview of Fig. 1 laryngoscope；
Fig. 3 (a) is the front view of Fig. 1 laryngoscope first housing portion；
Fig. 3 (b) is the rearview of Fig. 3 (a) first housing portion；
Fig. 4 (a) is the front view of Fig. 1 laryngoscope second housing portion；
Fig. 4 (b) is the rearview of Fig. 4 (a) second housing portion；
Fig. 5 (a) is the front view of Fig. 1 casing part of laryngoscope the 3rd；
Fig. 5 (b) is the rearview of Fig. 5 (a) the 3rd casing part；
Fig. 6 is the rear stereogram for Fig. 1 laryngoscopes being in assembling structure；
Fig. 7 is the front view of Fig. 6 laryngoscopes；And
Fig. 8 is the rearview of Fig. 8 laryngoscopes.
Although, should below with reference to term " on ", " under ", " rear ", " preceding " etc. has been used in the accompanying drawing description of this invention The understanding, the invention is not restricted to any certain orientation, in fact, the orientation of video laryngoscope can change during use.Therefore, These terms should be interpreted the relative terms of other features only with respect to the video laryngoscope in common reference system.
Generally shown with 10 laryngoscopes of the invention represented in Fig. 1-2 with decomposing construction, in figures 6 to 8 to assemble completely Construction is shown.Laryngoscope 10 includes the first case member 12, the case member 16 of second housing part 14 and the 3rd, and case member is in group Overall laryngoscope shell is formed during dress.
What the first case member 12 separated in Fig. 3 (a) and 3 (b) shows, and including the display for accommodating laryngoscope Display casing part 18, the main part 20 that can be grasped by user, tracheae for injecting patient spy on piece part 22, For accommodating the camera housing part 24 of video camera and/or lamp.First case member 12 also includes multiple apertures 38 to connect Receive corresponding fastener such as screw etc..
Display casing part 18 is located at the upper end of the first case member 12, and the profile with substantial rectangular.It is aobvious It is substantially hollow to show device casing part 18, and opening surface is carried on side, and it, which has, is formed and is sized to work as The peripheral edge of the corresponding part 40 of second housing part 14 is received when laryngoscope 10 has been assembled.Display casing part 18 is also Further it is formed and is sized to behind opening, behind the opening to engage the 3rd housing department when laryngoscope 10 is assembled The appropriate section of part 16.
The front region of display casing part 18 includes otch 26, and it is substantially half elliptic.Otch 26 by into Shape and at least a portion for being sized to receive shift knob 58 when laryngoscope 10 is assembled.Behind display casing part 18 Upper area include recess 27 engaging the corresponding protuberance 46 of second housing part 14.
Main body 20 and the monolithic molding of display casing part 18, and let droop from display casing part 18.Main part 20 substantially elongated forms, and there is the profile bent to meet the hand of user in use.Main part 20 is substantially real It is hollow on border, and at least upper area on the rear surface of main part 20 is formed and be sized to work as the quilt of laryngoscope 10 The corresponding region of the 3rd case member 16 is received during assembling.Main part 20 has opening surface on side, its peripheral edge quilt Shape and be sized to engage when laryngoscope 10 is assembled the appropriate section of second housing part 14.Before main part 20 Upper area includes otch 28, and it is formed and be sized to the phase that second housing part 14 is accommodated when laryngoscope 10 is assembled Answer handle portion 50.
Display casing part 18 and main part 20 are directed so that a part for display casing part 18 is substantially Extended laterally outwardly with the upper area of orthogonal angle from main part 20.
The lower area for spying on piece part 22 and main part 20 is integrally formed and stretched out from it.Spy on piece part 22 Stretch out from the substantially forward direction of main part 20, and bending along its length is so that spy on the agent-oriention portion of upper surface 30 of piece Divide 20.Spying on piece part 22 also includes lower surface 32, and it also bends to the free end 34 for spying on piece part 22 so that the upper surface Converge spying near piece end 34 30 lower surfaces 32.Spying on piece end 34 includes lip construction, and it is typically round or blunt Shape.Piece part 22 is spied on along its taper in width so that spy on the ratio of piece end 34 and spying on piece part 22 and main part 20 Between joint it is narrower.
Camera housing part 24 is substantially hollow form, with main part 20 and spy on piece part 22 integral into Shape, and extend along the direction of lower surface 32 for spying on piece part 22 from the near-end of main part 20 to piece end 34 is spied on.Shooting Machine casing part 24 have circular arc profile, and the lower area of camera housing part 24 it include recess 36, its quilt Shape and be sized to receive the appropriate section 44 of second housing part 14.The hollow inside of camera housing part 24 and master The hollow internal fluid communication of body portion 20, therefore video camera and associated electronics can be allowed to be maintained at the He of camera housing part 24 In main part 20.The end 37 of camera housing part is opening so that provides nothing to the video camera for being contained in laryngoscope 10 Hinder the visual field.
Separation is shown in second housing part 14 such as Fig. 4 (a) and 4 (b), and including：To accommodate the display of video laryngoscope The display casing part 40 of device, to the main part 42 grasped by user, and to accommodate the shooting of video camera and/or lamp Machine casing part 44.
Display casing part 40 is located at the upper end of second housing part 14, and 41 have before display casing part 40 Generally rectangular profile.Outside display of the display casing part 40 of second housing part 14 relative to the first case member 12 Shell parts 18 have reduced width, and therefore shape seems more elongated.Display casing part 40 is substantially hollow , there is the opening surface in side, and behind other opening, peripheral edge is formed and be sized to have worked as laryngoscope 10 The appropriate section of the 3rd case member 16 is received when assembled.The side of second housing part 14 opening surface further shape and It is sized to engage the appropriate section 18 of the first case member 12 when assembling laryngoscope 10.
The most upper region of display casing part 40 includes the protuberance 46 that extends laterally to engage the first case member The corresponding recess 27 of 12 display part 18.Region before display casing part 40 includes otch 48, its shape base It is semiellipse on this.Otch 48 is formed and is sized to receive at least one of shift knob 58 when assembling laryngoscope 10 Point.When assembling laryngoscope 10, otch 26 and otch 28, equivalent to the whole perimeter generally surround shift knob 58.
Main part 42 is integrally formed with display casing part 40, is let droop from display casing part 40.Main body Part 42 is substantially elongated form, has the profile bent to meet the hand of user in use.Main part 42 is substantially It is actually hollow, and at least upper area of main part 42 be formed and be sized to assemble laryngoscope 10 when Receive the respective regions of the 3rd case member 16.Main part 42 has opening surface on side, and it is formed is set with size Into the appropriate section that the first case member 12 is engaged when laryngoscope 10 is assembled.Upper area before main part 42 includes holding Handle portion 50, it is formed and is sized to receive the respective cut 28 in the first case member 12 when laryngoscope 10 is assembled It is interior.
Handle portion 50 before main part 42 use surrectic structure form, and with main part 42 integral into Shape.Surrectic structure is enhanced from main body 42 so that surrectic structure has the general form of convex or carinate grade.Handle portion 50 Preceding surface be it is wavy, the running surface be formed and be sized in use receive user forefinger.Running surface bag Ridge and lower ridge are included, is usually provided with the surface of indent therebetween.Upper ridge and lower ridge extend laterally across handle portion 50, thus Vertically moving for user's forefinger in use can be prevented.Running surface side does not have any protuberance, to provide the forefinger of user Comfortable positioning.
Camera housing part 44 is the lower area monolithic molding with main part 42, from the lower region of main part 42 Domain lets droop.The upper area 51 of camera housing part is bent along its length, and the lower region of camera housing part 44 Domain 54 is substantially hollow in form, and bends along its length.Lower area 54 substantially positively stretches out from upper area 51, So that the agent-oriention part 42 of upper surface 52 of lower area 54.Lower area 54 is included in the face of a side opening, and it is formed With the respective regions for being sized to engage the first case member 12 when assembling laryngoscope.Lower area 54 is formed to be set with size It is set to and is received when assembling laryngoscope 10 in the recess 36 of the camera housing part 24 of the first case member 12 so that video camera It is encapsulated by video camera casing part 24,44.
3rd case member 16 such as Fig. 5 (a) and 5 (b) are separated and shown, and including screen receiving portion 56 and for laryngoscope The shift knob 58 of 10 activation.The upper area of screen receiving portion 56 has the profile of substantial rectangular, and therefore shape It is substantially cuboidal in formula.Upper area includes the aperture 60 passed through, and the aperture 60 is formed and is sized to For receiving screen.Screen receiving portion 56 thus forms the circumference of the whole perimeter substantially around screen.
The lower area of screen receiving portion 56 is generally triangular in form, it may have the edge of bending.Screen receives The surface of the lower area of part 56, it is faced outwardly in laryngoscope in, substantially flat, or recessed, and thus allows use Family thumb can be placed on lower area when using laryngoscope.The upper area and lower area of screen receiving portion 56 integral into Shape is a separate part.Screen receiving portion 56 further comprises the liter on the surface of backward-facing when using laryngoscope 10 High protuberance 61.Protuberance 61 is formed and is sized to the upper area of engaging user thumb when using laryngoscope 10.
Shift knob 58 is essentially oval in form, and it is formed and be sized to receive when assembling laryngoscope 10 and is cutting In mouth 26,48.Shift knob 58 can be connected by substantially planar holding member 62 with the rear surface of screen receiving portion 56, or Single part is formed, it can be entered by otch 26,48.
Each of first case member 12, the case member 16 of second housing part 14 and the 3rd are molded of plastic material and led to Cross injection-molded formation.
Before laryngoscope 10 is assembled, assembled display screen and any related soft copy, and indicator screen is inserted Enter screen receiving portion 56.First case member 12, the case member 16 of second housing part 14 and the 3rd are summed so that The screen receiving portion 56 of 3rd case member 16 is received outside the display of the first case member 12 and second housing part 14 In shell parts 18,40.Case member 12,14,16 and then the fastener being adapted to by the insertion of corresponding aperture 38 are connected one Rise.Therefore laryngoscope 10 is overall shell in assembling, and it accommodates any suitable electronic unit, including video camera and display Screen.In addition, the lower area and handle portion 50 of screen receiving portion 56 consider the convenient positioning of user's thumb and forefinger Immediately below indicator screen, while the remainder of main part 20 can be by the palm of user and remaining finger steadily Handle.Such a arrangement can allow visuality of the simpler operation of laryngoscope 10 without damaging indicator screen.
In the preferred embodiment of the present invention, video camera and laryngoscope display screen are installed on flexible PCB, It can eliminate expensive connector between these components.Compared with the laryngoscope that tradition has video capability, wherein micro-control Device processed is used to handling data between video camera and indicator screen, and the preferred embodiment of laryngoscope includes microcontroller in the present invention Device, it is not involved in the data transfer between video camera and screen, but simply performs the initialization of video camera and screen.

Claims (38)

1. laryngoscope, including the main body containing handle, the laryngoscope blade that extends from the distal end of the main body and from the near of the main body The indicator screen shell of extension is held, wherein the laryngoscope includes at least one overall case member, its described main body of restriction, At least a portion of each in the laryngoscope blade and the indicator screen shell.
2. laryngoscope according to claim 1, wherein the laryngoscope includes two or more overall case members, wherein It is at least one at least partially define it is every in the indicator screen shell, the laryngoscope body and the laryngoscope blade One.
3. according to the laryngoscope described in any preceding claims, wherein the laryngoscope includes at least two overall case members, Each at least one in the first case member restriction main body, the laryngoscope blade and the indicator screen shell Point, and second housing part limits the main body and at least a portion of the indicator screen shell.
4. laryngoscope according to claim 3, wherein the second housing part also limits the laryngoscope blade at least A part so that the laryngoscope blade is limited by least described first case member and second housing part.
5. according to the laryngoscope described in any preceding claims, wherein the indicator screen shell includes indicator screen portion Part, and multiple case members are summed to encapsulate the screen unit.
6. laryngoscope according to claim 5, wherein the case member limits opening, pass through the opening screen section Part is visible.
7. laryngoscope according to claim 6, wherein the screen unit is disposed with indicator screen, the display screen is extremely Small part extends completely across the opening limited by the case member.
8. according to the laryngoscope described in any preceding claims, wherein the laryngoscope includes at least two side case members, relatively In the mid-plane for dividing the main body and the laryngoscope blade equally substantially, it at least partially defines the master of the laryngoscope Every side of body and indicator screen shell.
9. laryngoscope according to claim 8, wherein the laryngoscope further comprises rear casing part, it limits opening, leads to It is visible to cross the indicator screen of the opening indicator screen part.
10. according to the laryngoscope described in any preceding claims, wherein the laryngoscope includes the first side case member and the second side Case member, and the rear casing part of insertion.
11. according to the laryngoscope described in any preceding claims, wherein the laryngoscope blade is by least the first side case member Limited with second housing part.
12. laryngoscope, including：Main body, the main body includes being used for the handle for receiving the palm of user's hand in use, from the main body Distal end extension laryngoscope blade, and the indicator screen shell extended from the near-end of the main body, the indicator screen Away indicator screen part, and handle portion is arranged for receiving at least thumb and food of user's hand in use Refer to, the handle portion is located among the indicator screen part and the handle.
13. laryngoscope according to claim 12, wherein the handle portion by the laryngoscope the main body part and/ Or the part of the indicator screen shell limits.
14. according to the laryngoscope described in claim 12 or claim 13, wherein the handle portion includes the outer of the laryngoscope Surface, it circumferentially extends between the indicator screen part and the handle around the laryngoscope.
15. according to the laryngoscope described in any one of claim 12-14, wherein the handle portion is used to connect including the use of in Receive at least one of thumb receiving surface of user's thumb.
16. laryngoscope according to claim 15, wherein the thumb receiving surface is in use towards the user Surface.
17. laryngoscope according to claim 16, wherein the thumb receiving surface of the handle portion includes being used to connect At least one of locating structure of family thumb is shared, and the locating structure is applied to prevent the thumb towards the display Device screen unit vertically moves.
18. laryngoscope according to claim 17, wherein the locating structure is used to contact the user's including the use of in The abutment surface of at least a portion thumb, and the abutment surface has the width more than user's thumb terminal end width, Yi Jiye Prevent the shape of the transverse shifting of the thumb.
19. laryngoscope according to claim 18, wherein the abutment surface has perimeter, it is relative to the thumb End extended back at least in part towards the hand of user.
20. the laryngoscope according to any one of claim 12 to 19, wherein the handle portion includes making for reception With the finger receiving surface of the forefinger of middle user.
21. laryngoscope according to claim 20, wherein the finger receiving surface includes the table that facing away from user in use Face.
22. according to the laryngoscope described in claim 20 or claim 21, wherein the finger receiving surface is applied to prevent to use Family finger is towards the indicator screen part and the movement towards the handle.
23. the laryngoscope according to any one of claim 20 to 22, wherein the finger receiving surface is including the use of in For receiving at least one of recess or depression of user's forefinger, and the recess or depression both sides are by the prominent of edge or protuberance Go out portion to be limited.
24. the laryngoscope according to any one of claim 12 to 23, wherein the indicator screen shell and at least institute State the main body monolithic molding of laryngoscope.
25. the laryngoscope according to any one of claim 12 to 24, wherein the indicator screen shell and/or described Indicator screen part can not be from the master of the laryngoscope in the case where not dismantling or disconnecting the main body of the laryngoscope Body removes.
26. the laryngoscope according to any one of claim 12 to 25, wherein the laryngoscope includes at least one housing department Part, it limits a part for the indicator screen shell of a part for the main body of the laryngoscope and the laryngoscope.
27. according to the laryngoscope described in any preceding claims, wherein the laryngoscope includes sending picture signal to the display The video camera of device screen unit.
28. laryngoscope according to claim 27, wherein the laryngoscope blade includes spying on piece part and camera housing Part, it is arranged to form L-shaped skirt.
29. laryngoscope according to claim 28, wherein the laryngoscope includes being served only for initializing the video camera and screen Microprocessor.
30. laryngoscope, including：Indicator screen part, the video camera for transmission figure picture to the indicator screen part, and by It is arranged to initialize the microcontroller of the indicator screen part and/or the video camera, wherein the microcontroller is set It is set to and does not handle any data transmitted between the video camera and the indicator screen part in use.
31. laryngoscope according to claim 30, wherein the indicator screen part and the video camera are worked in coordination, no Need any processing of the microcontroller to described image data.
32. according to the laryngoscope described in claim 30 or claim 31, wherein the initialization of the indicator screen includes institute State microcontroller to the indicator screen provide on the indicator screen Power Control set, will be from the video camera The form of the input signal of reception, the form of described image data and the microcontroller and the indicator screen part it Between any of interface shape, or any combination of information.
33. laryngoscope according to claim 32, wherein the input signal on will be received from the video camera and/or The information of the form of described image data include on orientation, size, color, pixel arrangement, image rectification, such as gamma correction, Any of with overview image data format, or any combination of information.
34. the laryngoscope according to any one of claim 30 to 33, wherein the initialization of the video camera is including described Microcontroller is provided on following any or any combination of information to the video camera for the video camera：For institute The Power Control for stating video camera is set, and the camera lens for the video camera is set, there is provided the output to the indicator screen is believed The form of number form, the view data of the video camera and any image procossing, and the microcontroller and the video camera it The form of interface.
35. laryngoscope according to claim 34, wherein on the output signal for being supplied to video camera and/or the figure As the described information of the form of data may include on orientation, size, color, pixel arrangement, image rectification and overview image number According to any of form, or any combination of information.
36. the laryngoscope according to any one of claim 30 to 35, wherein, such as during initialization, the display Device screen and the video camera are applied to be supplied identical input voltage.
37. the laryngoscope according to any one of claim 30 to 36, wherein the video camera is supplied to the display The view data specification of screen is between 320 × 240 and 640 × 480.
38. according to the laryngoscope described in any preceding claims, wherein the laryngoscope be intended for single use, disposable laryngoscope.
CN201680042618.1A 2015-05-21 2016-05-17 Video laryngoscope Active CN107847120B (en)

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PCT/EP2016/061015 WO2016184851A1 (en) 2015-05-21 2016-05-17 Video laryngoscopes

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US11058292B2 (en) 2021-07-13
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EP3297518A1 (en) 2018-03-28
AU2021203739A1 (en) 2021-07-01

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